Multiple reports say Britain has surpassed a long-standing heat record associated with the summer of 1976. The coverage states that expert analysis shows the country has already had at least 15 days with temperatures above 30°C, exceeding the 1976 milestone that had previously been cited as a benchmark for such conditions. The articles describe 1976 as a notable summer in UK weather history and frame the latest figures as breaking that record. While the reports emphasize the number of days above 30°C and the age of the previous record, they do not provide further comparative detail beyond the milestone being exceeded. The overall message across the sources is that the latest observed temperatures and day counts over 30°C have reached a threshold that topples the 50-year-old record tied to 1976, according to experts.